Base | Representation |
---|---|
bin | 100111011111… |
… | …1110100001110 |
3 | 1102222002220000 |
4 | 1032333310032 |
5 | 20300133442 |
6 | 2015505130 |
7 | 341006664 |
oct | 116776416 |
9 | 42862800 |
10 | 20708622 |
11 | 10764770 |
12 | 6b281a6 |
13 | 43a0b2c |
14 | 2a70c34 |
15 | 1c40d4c |
hex | 13bfd0e |
20708622 has 40 divisors (see below), whose sum is σ = 50625432. Its totient is φ = 6274800.
The previous prime is 20708599. The next prime is 20708663. The reversal of 20708622 is 22680702.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4029 + ... + 7592.
Almost surely, 220708622 is an apocalyptic number.
20708622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20708622 is an abundant number, since it is smaller than the sum of its proper divisors (29916810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20708622 is a wasteful number, since it uses less digits than its factorization.
20708622 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11646 (or 11637 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 20708622 is about 4550.6726975251. The cubic root of 20708622 is about 274.6104545187.
The spelling of 20708622 in words is "twenty million, seven hundred eight thousand, six hundred twenty-two".
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